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Hidden Service Menu?
paidcritic
Posts: 2
Is there a dialer code to access a service menu to select technology, select bands, disable bands, and maybe even prioritize band search?
0
Answers
A web search will give you various dialer codes to bring up the standard Android tools. Nova Launcher can bring it up too. Speaking from experience, I wouldn't mess with the cell radio parameters on even a non-rooted phone unless you already have the factory imaging software. There may be NVRAM parameters that the phone's built-in reset can't restore.
However, the service menu is not a standard Android code. So codes like #DATA# or #DEBUG# do not work on this phone.
not all of these work but a vast majority do
Cell Phone Tips And Tricks Blog: The Super secret codes fоr ZTE
Did anyone ever figure out how to go in to. Engineering Mode? I have lost my IMEI on one of my axon 7 and want to figure out a way to read it from the qfuse or QCN file.